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Date:	Tue, 8 Feb 2011 12:38:36 -0500
From:	Don Zickus <dzickus@...hat.com>
To:	Hillf Danton <dhillf@...il.com>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: fix setup NMI_LOCAL_APIC watchdog

On Thu, Feb 03, 2011 at 11:07:11PM +0800, Hillf Danton wrote:
> when testing NMI watchdog, at leat for NMI_LOCAL_APIC, the default
> value of nmi_active could prevent the dog from being tested. Even
> could not, lapic_adjust_nmi_hz() could misplay its role since the
> underlying hardware is still not initialized by lapic_watchdog_init().
> 
> And for same reason the check for wd_ops could be removed in
> enable_lapic_nmi_watchdog(), in which nmi_active is also checked.
> 
> If NMI_LOCAL_APIC is enabled thru sysctl on cmdline after bootup, how
> to test stuckup?

Your patch doesn't apply to 2.6.38 any more because that code has been
removed.  We have switched to the new nmi_watchdog.  Unless you have other
concerns, I am going to drop your patch.

Cheers,
Don
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